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Q.3: Using principal value, evaluate the following: |
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Answer» cos^-1(-1/2)=-2/1; sin^-1(1)=sin(1); cos^-1( cos2pie/3)+sin^-1(sin2 pie/3)=2/1+1/1=3/1=3 2π/3 + 2π/34π/3is correct answer cos^-1(-1/2)=-2/1; sin^-1(1)=sin(1); cos^-1( coa2pie/3)+sin^-1(some pie/3)=2/1+1/1=3/1=23 |
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